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Date: Tue, 2 Sep 2014 20:40:40 +0200
From: Krisztián Pintér <>
Subject: Re: [PHC] A review per day - Schvrch

Marcos Antonio Simplicio Junior (at Tuesday, September 2, 2014, 7:53:56 PM):

> With the due respect to Keccak, which is a great design, its own
> authors recognize that it "excels in hardware performance", while it
> "has overall good software performance"
> ( Since we normally consider hardware as
> an "attacker's platform"

some things to consider:

1, overall good is still good. a factor of 2 or 10 is not necessairly
that important, other aspects might be more important (like for
example die area or code reuse).

2, you make the error others made earlier, namely assuming today's
hardware. next gen processors might be very different, maybe they will
behave more like asics in terms of keccak performance. we have no idea
what processors will be like in ten years.

3, hw is not the attacker's platform. a lot of resource limited
friendly platforms might need to run a PBKDF, media players, routers,
any tool with an html or terminal admin interface, etc. it is a false
view that password defenders have gigantic multicore multigigabyte

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